Finding the Fourth Proportional to 505,485.36, 758,227.68 and 131,508.36
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Solution
The fourth proportional to 505,485.36, 758,227.68 and 131,508.36 is: 197,262.45
Step by Step Solution
- Step 1: Write the proportion equation
505,485.36 : 758,227.68 = 131,508.36 : x - Step 2: Convert to fraction form
505,485.36/758,227.68 = 131,508.36/x - Step 3: Cross multiply
505,485.36x = 758,227.68 × 131,508.36 - Step 4: Simplify right side
505,485.36x = 99,713,278,703.40 - Step 5: Solve for x
x = 99,713,278,703.40/505,485.36 - Step 6: Final answer
x = 197,262.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.